[1] McMaster Univ, CanChild Ctr Childhood Onset Disabil Res, Hamilton, ON, Canada
[2] McMaster Univ, Sch Rehabil Sci, Hamilton, ON, Canada
[3] McMaster Univ, Dept Pediat, Hamilton, ON, Canada
[4] Univ Ottawa, Dept Hlth Sci, Ottawa, ON, Canada
[5] McMaster Univ, Fac Sci, Hamilton, ON, Canada
[6] Univ Toronto, Dept Appl Psychol & Human Dev, Toronto, ON, Canada
[7] Queens Univ, Smith Sch Business, Kingston, ON, Canada
[8] Univ Melbourne, Dept Pediat, Melbourne, Australia
[9] Murdoch Childrens Res Inst, Melbourne, Australia